AT&T 3B2 Off-Line Diagnostic Manual page 458
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Also See for 3B2:
- Maintenance reference manual (422 pages) ,
- Operation manual (415 pages) ,
- Manual (54 pages)
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Phase Descriptions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Test Numbers:'
121 through 137
Function:
These tests verify that the Timer2 Count register is functional.
Procedure:
Write a valid data pattern to the register, read the register, and compare the
value read with the value that was written.
Hardware Tested:
The Timer2 Count register is tested.
Data Returned:
Supplemental Data: The value that was written.
Raw Data: The value that was read.
Notes:
The values written to the register are OxOOOO and walk a one through a field of
16 zeros.
Test Numbers:
138 through 154
Function:
These tests verify that the Timer2 MCA register is functional.
Procedure:
Write a valid data pattern to the register, read the register, and compare the
value read with the value that was written.
Hardware Tested:
The Timer2 MCA register is tested.
Data Returned:
Supplemental Data: The value that was written.
Raw Data: The value that was read.
Notes:
The values written to the register are OxOOOO and walk a one through a field of
16 zeros.
Test Numbers:
155 through 158
Function:
These tests verify that the Timer2 Mode register is functional.
Procedure:
Write a valid data pattern to the register, read the register, and compare the
value read with the value that was written.
Hardware Tested:
The Timer2 Mode register is tested.
Data Returned:
Supplemental Data: The value that was written.
Raw Data: The value that was read.
Notes:
The values written to the register are OxOOOO, OxOx0020, OxOx2000, and
OxcOOl - read Ox8021.
9-14
OFF-LINE DIAGNOSTIC MANUAL
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